Set of 3 stainless steel step drill bits, 4-12/20/32 mm, with hexagonal shank, for screw drilling in steel and plastic

【High-Quality Materials, Quality Guaranteed】: The drill bit holder and conical drill bit are made of high-quality HSS stainless steel and are durable.

【Usage Tips】: When using a power drill, be sure to keep it upright, avoid shaking or tilting it, and avoid excessively rapid rotation.

【Time and Labor Saving, Efficiency and Speed】: The HSS conical drill bit is made of high-speed steel, which reduces heat and friction, cools quickly, and automatically removes debris from the hole during drilling. The spiral design prevents slippage, making drilling easier and more efficient.

【Three Sizes Available】: 4 mm-12 mm, 4 mm-20 mm, 4 mm-32 mm.

Wide range of uses: This product can process thin iron sheets, aluminum sheets, insulation panels, PVC panels, wood panels, and other materials up to 3 mm thick.

【Nylon fabric bag, easy to carry】The product comes with a nylon fabric bag, which provides good storage and protection. There's no need to worry about loss or damage due to its small size.